Tube bending machine



FIG. 1 is a perspective view of a tube bending machine embodying my new design;

FIG. 2 is a perspective view of the machine of FIG. 1 as seen from the other end;

FIG. 3 is a perspective view of the opposite side of the machine;

FIG. 4 is an end elevational view of the end of the machine opposite the end seen in FIGS. 1 and 2; and,

FIG. 5 is a perspective view as seen in FIG. 1 also showing the clamping cylinder positioned therein. 

The ornamental design for a tube bending machine, as shown. 